No one shall be subjected without his free consent to medical or scientific experimentation – [not even] – in time of public emergency which threatens the life of the nation and the existence of which is officially proclaimed
Article 7 of the UN Covenant on Civil and Political Rights and Article 4:1 & 2)
The only problem arises, when you try to enforce that right, or compel a State to honor it...
Don’t know about you but I must pray often throughout each day , for the grace to be as our Lord Jesus Christ asks me to be.